Public contracts of Nantes Métropole · 2026

Le marché subséquent a pour objet les travaux de réhabilitation des réseaux d’assainissement des eaux usées et eaux pluviales rue Louis Samson…

€410k

contract ceiling — what was paid on it is not published

Signed on 9 September 2026 · running until about February 2027 · 5 months

Ongoing8 Feb 2027

Who won it

Sogea Ouest TPConstruction de réseaux pour fluides · registered office Saint-Herblain (44800) · headcount 100 to 199 employees · SIREN 344313861

Main holder, with the largest amount. The contract has 2 holders; the others are not shown here yet.

The competition

6 bids received

Median for this procedure in 2026: 3 bids, across 584 comparable contracts. Procedure with negotiation · awarded to 2 companies

Open data publishes the winner and the bid count — never the identity of unsuccessful bidders.

Number 119 by amount of the 243 contracts Nantes Métropole published for 2026.

Contract details (procedure, price, amendments, lots)

Procedure : Procédure avec négociation

Price : Unitaire

Published amendments : none

Subcontracting declared : no

Environmental considerations : Critère environnemental

Contracts above €40,000 excluding VAT, as declared when they are awarded (DECP): contract amounts, not payments. Smaller contracts are not published; obviously wrong amounts are set aside.